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Monashee Investment Management LLC

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13F filer, CIK 1627608, Boston, MA

Monashee Investment Management LLC reported $845,069,378 across 46 holdings for the quarter ended 2025-03-31, in a 13F-HR filed 2025-05-14. Its ten largest share positions make up 79.15% of the portfolio.

Filed (acceptance time not in the bulk data set), ingested 13F-HR 0001172661-25-001816

Period
2025-03-31
Reported value
$845M
Holdings
46
Top 10 weight
79.15%
New
29
Sold out
21

Largest buys vs the previous quarter

SecurityShares changeApprox. value
PRMBnew+560,000$19.9M
AEPnew+150,000$16.4M
ETRnew+150,000$12.8M
SAROnew+480,000$12.8M
PRCHnew+1,550,000$11.3M

Ranked by the share change valued at this quarter's implied price (value over shares in the 13F). A position sold out is valued at the previous quarter's price, its last report.

Largest sells vs the previous quarter

SecurityShares changeApprox. value
AJGexited-70,000-$19.9M
SOCexited-345,000-$7.9M
BAexited-40,000-$7.08M
ABXexited-810,000-$6.34M
ACHRexited-446,240-$4.35M

Ranked by the share change valued at this quarter's implied price (value over shares in the 13F). A position sold out is valued at the previous quarter's price, its last report.

Holdings, Q1 2025

Share positions as resolved from 13F-HR 0001172661-25-001816, largest first. % of portfolio is the value over $845,069,378, the sum of the share positions whose value is usable for ratios (method).

SecurityHistorySharesValue% of portfolioChangeLatest eventTimeline
IVVISHARES TRQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 267,610 shares; 2024Q4: 280,510 shares; 2025Q1: 287,110 shares 287,110$161M19.09%+6,600Timeline
VOOVANGUARD INDEX FDSQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 291,610 shares; 2024Q4: 305,810 shares; 2025Q1: 313,010 shares 313,010$161M19.04%+7,200Timeline
VEAVANGUARD TAX-MANAGED FDSQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 1,697,600 shares; 2024Q4: 1,736,600 shares; 2025Q1: 1,832,100 shares 1,832,100$93.1M11.02%+95,500Timeline
IEFAISHARES TRQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 870,580 shares; 2024Q4: 884,080 shares; 2025Q1: 941,680 shares 941,680$71.2M8.43%+57,600Timeline
VWOVANGUARD INTL EQUITY INDEX FQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 1,066,560 shares; 2024Q4: 1,077,560 shares; 2025Q1: 1,126,060 shares 1,126,060$51M6.03%+48,500Timeline
IEMGISHARES INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 764,100 shares; 2024Q4: 772,100 shares; 2025Q1: 807,100 shares 807,100$43.6M5.15%+35,000Timeline
ITOTISHARES TRQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 211,260 shares; 2024Q4: 211,260 shares; 2025Q1: 211,260 shares 211,260$25.8M3.05%0Timeline
VTIVANGUARD INDEX FDSQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 93,660 shares; 2024Q4: 93,660 shares; 2025Q1: 93,660 shares 93,660$25.7M3.05%0Timeline
PRMBPRIMO BRANDS CORPORATIONQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: 560,000 shares 560,000$19.9M2.35%newTimeline
AEPAMERICAN ELEC PWR CO INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: 150,000 shares 150,000$16.4M1.94%newTimeline
ETRENTERGY CORP NEWQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: 150,000 shares 150,000$12.8M1.52%newTimeline
SAROSTANDARDAERO INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: 480,000 shares 480,000$12.8M1.51%newTimeline
PRCHPORCH GROUP INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: 1,550,000 shares 1,550,000$11.3M1.34%newTimeline
WAYWAYSTAR HLDG CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 125,000 shares; 2024Q4: not reported; 2025Q1: 250,000 shares 250,000$9.34M1.11%newTimeline
LBLANDBRIDGE COMPANY LLCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: 124,937 shares; 2025Q1: 124,937 shares 124,937$8.99M1.06%0Timeline
KDPKEURIG DR PEPPER INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: 240,000 shares 240,000$8.21M0.97%newTimeline
AMTMAMENTUM HOLDINGS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: 360,000 shares 360,000$6.55M0.78%newTimeline
FGF&G ANNUITIES & LIFE INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: 175,000 shares 175,000$6.31M0.75%newTimeline
SLDBSOLID BIOSCIENCES INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 485,000 shares; 2024Q4: 480,000 shares; 2025Q1: 1,673,412 shares 1,673,412$6.19M0.73%+1,193,412Timeline
BBIOBRIDGEBIO PHARMA INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: 175,000 shares 175,000$6.05M0.72%newTimeline
SCHWCHARLES SCHWAB CORP (THE)Quarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: 75,000 shares 75,000$5.87M0.69%newTimeline
CRWVCOREWEAVE INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: 150,000 shares 150,000$5.56M0.66%newTimeline
KKR & CO INCKKR & CO INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: 108,888 shares 108,888$5.38M0.64%new
COMPCOMPASS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: 379,900 shares; 2025Q1: 600,000 shares 600,000$5.24M0.62%+220,100Timeline
GPCRSTRUCTURE THERAPEUTICS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 159,608 shares; 2024Q4: 132,000 shares; 2025Q1: 292,862 shares 292,862$5.07M0.6%+160,862Timeline
ADTADT INC DELQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: 575,000 shares 575,000$4.68M0.55%newTimeline
ASAMER SPORTS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: 230,000 shares; 2025Q1: 175,000 shares 175,000$4.68M0.55%-55,000Timeline
KKRKKR & CO INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: 40,000 shares 40,000$4.62M0.55%newTimeline
NEENEXTERA ENERGY INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: 100,000 shares 100,000$4.55M0.54%newTimeline
VIKVIKING HOLDINGS LTDQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 320,000 shares; 2024Q4: not reported; 2025Q1: 100,000 shares 100,000$3.98M0.47%newTimeline
MCHPPMICROCHIP TECHNOLOGY INC.Quarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: 75,000 shares 75,000$3.77M0.45%newTimeline
AAPGASCENTAGE PHARMA GROUP INTLQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: 159,942 shares 159,942$3.51M0.42%newTimeline
HUMAHUMACYTE INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 535,000 shares; 2024Q4: not reported; 2025Q1: 2,000,000 shares 2,000,000$3.41M0.4%newTimeline
OWLBLUE OWL CAPITAL INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: 150,000 shares 150,000$3.01M0.36%newTimeline
BAPRABOEING COQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: 50,000 shares; 2025Q1: 50,000 shares 50,000$2.99M0.35%0Timeline
AKBAAKEBIA THREAPEUTICS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: 1,500,000 shares 1,500,000$2.88M0.34%newTimeline
CWANCLEARWATER ANALYTICS HLDGS IQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: 105,000 shares 105,000$2.81M0.33%newTimeline
BIODESIX INCBIODESIX INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 3,500,879 shares; 2024Q4: 3,500,879 shares; 2025Q1: 4,050,000 shares 4,050,000$2.53M0.3%+549,121
QFINQFIN HOLDINGS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: 50,000 shares 50,000$2.25M0.27%newTimeline
MUXMCEWEN INC.Quarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: 275,000 shares 275,000$2.08M0.25%newTimeline
MLYSMINERALYS THERAPEUTICS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: 112,457 shares 112,457$1.79M0.21%newTimeline
GMEGAMESTOP CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: 75,000 shares 75,000$1.67M0.2%newTimeline
EDCONSOLIDATED EDISON INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: 15,000 shares 15,000$1.66M0.2%newTimeline
ACRSACLARIS THERAPEUTICS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: 888,888 shares; 2025Q1: 888,888 shares 888,888$1.36M0.16%0Timeline
CMPXCOMPASS THERAPEUTICS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 500,000 shares; 2024Q4: 448,164 shares; 2025Q1: 448,164 shares 448,164$852K0.1%0Timeline

Principal amounts

Notes and convertibles filed as a face amount (PRN). A face amount is never added to a share count (H6).

SecurityTypeAmountValueChange
SUPER MICRO COMPUTER INCSUPER MICRO COMPUTER INC NOTE 3.500% 3/0principal1,500,000$1.46Mnew

Sold out in Q1 2025

Positions in the previous quarter's report that this quarter's report no longer lists.

SecurityShares beforeValue beforeType
AJGGALLAGHER ARTHUR J & CO70,000$19.9Mshares
SOCSABLE OFFSHORE CORP345,000$7.9Mshares
BABOEING CO40,000$7.08Mshares
ABXABACUS GLOBAL MGMT INC810,000$6.34Mshares
ACHRARCHER AVIATION INC446,240$4.35Mshares
LUNRINTUITIVE MACHINES INC235,000$4.27Mshares
LMATLEMAITRE VASCULAR INC40,000$3.69Mshares
AERAERCAP HOLDINGS NV30,000$2.87Mshares
NBISNEBIUS GROUP N.V.100,000$2.77Mshares
CONFLUENT INCCONFLUENT INC3,000,000$2.7Mprincipal
PG&E CORPPG&E CORP51,275$2.55Mshares
CRGYCRESCENT ENERGY COMPANY160,000$2.34Mshares
EVGOEVGO INC490,000$1.98Mshares
SRRKSCHOLAR ROCK HLDG CORP45,000$1.94Mshares
KGSKODIAK GAS SVCS INC47,189$1.93Mshares
CLOUDFLARE INCCLOUDFLARE INC1,500,000$1.44Mprincipal
NAMSNEWAMSTERDAM PHARMA COMPANY50,000$1.28Mshares
CGONCG ONCOLOGY INC36,872$1.06Mshares
SEISOLARIS ENERGY INFRAS INC30,000$863Kshares
TTANSERVICETITAN INC7,500$772Kshares
MDXHMDXHEALTH SA208,000$493Kshares

How Q1 2025 was built

Available 13F filings of this filer for the quarter and their roles: the base report is the latest original or restatement, NEW HOLDINGS amendments filed after it are added (method).

FilingRoleAmendmentFiledAcceptedIngested
13F-HR 0001172661-25-001816 base2025-05-14acceptance time not in the bulk data set